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20313400102 = 255811819871
BaseRepresentation
bin10010111010110001…
…011110001100100110
31221102200020122100221
4102322301132030212
5313100212300402
613155402354554
71316246023552
oct227261361446
957380218327
1020313400102
118684426176
123b2aabba5a
131bb95b7a98
14da9b86862
157dd525337
hex4bac5e326

20313400102 has 8 divisors (see below), whose sum is σ = 30475576512. Its totient is φ = 10154874600.

The previous prime is 20313400087. The next prime is 20313400111. The reversal of 20313400102 is 20100431302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×203134001022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898774 + ... + 921097.

It is an arithmetic number, because the mean of its divisors is an integer number (3809447064).

Almost surely, 220313400102 is an apocalyptic number.

20313400102 is a deficient number, since it is larger than the sum of its proper divisors (10162176410).

20313400102 is a wasteful number, since it uses less digits than its factorization.

20313400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825454.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20313400102 its reverse (20100431302), we get a palindrome (40413831404).

The spelling of 20313400102 in words is "twenty billion, three hundred thirteen million, four hundred thousand, one hundred two".

Divisors: 1 2 5581 11162 1819871 3639742 10156700051 20313400102